骨科大手术患者下肢深静脉血栓健康信念问卷的编制及信效度检测

The establishment and the reliability and validity test of the deep vein thrombosis health belief ques- tionnaire for patients undergoing major orthopedic operation

目的编制适用于评价骨科大手术患者下肢深静脉血栓的健康信念行为的问卷，并测定其信效度。方法采用理论与经验相结合的方法，以健康信念模式作为编制量表的基本理论框架，初步编制了骨科大手术患者下肢深静脉血栓健康信念问卷，并进行预实验、资料收集、信效度分析，逐步完成问卷编制。结果问卷条目具有较好的鉴别力，同质性信度系数仪为0．88，内容效度（CVI）为0．95，因子分析表明，问卷有较好的结构效度，各维度累计解释变异量均超过50％。结论骨科大手术患者下肢深静脉血栓健康信念问卷具有较好的信度和效度，能解释和预测骨科大手术患者采取预防下肢深静脉血栓措施的可能性。

Objective To develop a deep vein thrombosis health belief questionnaire（DVTHBQ）for patients undergoing major orthopedic operation, and investigate the reliability and validity of the DVTHBQ. Methods The establishment of DVTHBQ was based on the framework of Health Belief Model （HBM） combining theories and experience, and step-by-step through the preliminary experiment, data col- lection, evaluation of its validity and reliability, etc. Results The items of this questionnaire had a good discriminability. The total internal consistency reliability of the questionnaire was 0.88. The content validity of the questionnaire was 0.95. Factor analysis, which could explain more than 50% variance, showed that the questionnaire had good construct validity. Conclusions The questionnaire was tested to be of good reliability and validity. The DVTHBQ could be an effective instrument to explain and predict the possibility of taking DVT preventive measures for patients undergoing major orthopedic operation.